[sdiy] Hollow low-pressure ladder filter

[Theo]

Is 12U7 the same as the ECC86?

Theo


From: John L Marshall <john.l.marshall at gte.net>

> 12U7s were designed for car radios, 12 volt plate supply, 30 volts
maximum.
>
> Take care,
> John
>
>
> ----- Original Message -----
> From: René Schmitz <uzs159 at uni-bonn.de>
> To: Tim Ressel <madhun2001 at yahoo.com>; <epeasant at telusplanet.net>;
Synth-Diy
> <synth-diy at dropmix.xs4all.nl>
> Sent: Sunday, April 28, 2002 4:46 PM
> Subject: Re: [sdiy] Hollow low-pressure ladder filter
>
>
> > Hi Tim et al,
> >
> > At 15:37 28.04.02 -0700, Tim Ressel wrote:
> > >According to the data sheet curves, at the low
> > >currents I am using the voltage drop will be less than
> > >2 volts. I am wiring up the chain right now, so I will
> > >find out first hand what the drops are.
> >
> > Sounds reasonable, since these were used as small signal
> > rectifiers.
> >
> > >> When you get the ladder working, you should then try
> > >> to replace the rest of
> > >> the solid state parts in the signal path with tubes.
> > >
> > >I have thought of that. It is a possibly.
> >
> > Would be difficult to run on 15V I'd guess.
> >
> > Cheers,
> >  René
> >
> >
> > --
> > uzs159 at uni-bonn.de
> > http://www.uni-bonn.de/~uzs159
> >
> >
> >
>